Home / 1,040,084.90-1,560,127.35-724,897.70

Finding the Fourth Proportional to 1,040,084.90, 1,560,127.35 and 724,897.70

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Solution

The fourth proportional to 1,040,084.90, 1,560,127.35 and 724,897.70 is: 1,087,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,084.90 : 1,560,127.35 = 724,897.70 : x
  2. Step 2: Convert to fraction form
    1,040,084.90/1,560,127.35 = 724,897.70/x
  3. Step 3: Cross multiply
    1,040,084.90x = 1,560,127.35 × 724,897.70
  4. Step 4: Simplify right side
    1,040,084.90x = 1,130,932,727,722.10
  5. Step 5: Solve for x
    x = 1,130,932,727,722.10/1,040,084.90
  6. Step 6: Final answer
    x = 1,087,346.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.